3x+5=-4x-8

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Solution for 3x+5=-4x-8 equation:


Simplifying
3x + 5 = -4x + -8

Reorder the terms:
5 + 3x = -4x + -8

Reorder the terms:
5 + 3x = -8 + -4x

Solving
5 + 3x = -8 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
5 + 3x + 4x = -8 + -4x + 4x

Combine like terms: 3x + 4x = 7x
5 + 7x = -8 + -4x + 4x

Combine like terms: -4x + 4x = 0
5 + 7x = -8 + 0
5 + 7x = -8

Add '-5' to each side of the equation.
5 + -5 + 7x = -8 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = -8 + -5
7x = -8 + -5

Combine like terms: -8 + -5 = -13
7x = -13

Divide each side by '7'.
x = -1.857142857

Simplifying
x = -1.857142857

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